The ocean pools are the thing I keep coming back to here: someone drew a rectangle on a rock shelf and the sea has been arguing with it ever since. From above the argument is obvious — a hard straight edge on one side, chaos on the other, and people swimming laps in the middle of it.

The Baths From the Air
Bronte Baths, Sydney · October 2016
DJI Zenmuse X5, 15 millimetres, f 2, 1/480 of a second, ISO 135